TFA9812HN PHILIPS [NXP Semiconductors], TFA9812HN Datasheet - Page 57

• Manufacturer Part Number: TFA9812HN
• Description: BTL stereo Class-D audio amplifier with I2S input
• Manufacturer: PHILIPS [NXP Semiconductors]

NXP Semiconductors
TFA9812_2
Preliminary data sheet
Fig 18. Total harmonic distortion-plus-noise as a function of frequency
Fig 19. Gain as a function of frequency
THD+N
(dB)
(%)
G
(1) R
(2) R
10
10
a. V
10
1
3
1
1
3
1
2
10
10
V
P
L
L
P
= 12 V; P
= 6
= 8
= 12 V; R
15 H / 680 F
15 H / 680 F
10
10
2
2
O
L
= 1 W
= 2
10
10
6 ; P
3
3
o
= 1 W
10
10
(2)
4
4
010aaa484
010aaa486
f (Hz)
f (Hz)
(1)
Rev. 02 — 22 January 2009
10
10
5
5
Fig 20. Gain as a function of AVOL
BTL stereo Class-D audio amplifier with I
THD+N
(dB)
G
(%)
10
10
(1) 0 dB
(2) 24 dB gain boost
b. V
100
120
10
20
40
60
80
1
0
1
2
10
0
V
P
P
= 12 V; R
= 12 V; R
0.5
10
2
L
L
= 8 ; f
1
= 2
(2)
10
1.5
i
8 ; P
= 1 kHz
3
o
(1)
2
= 1 W
10
AVOL (V)
© NXP B.V. 2009. All rights reserved.
TFA9812
4
2.5
010aaa485
010aaa487
f (Hz)
10
3
5
2
S input
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